Poynting vector, energy density, and energy velocity in an anomalous dispersion medium
Huang CG(黄超光); Huang, CG; Zhang, YZ
刊名PHYSICAL REVIEW A
2002
卷号65期号:1页码:15802
学科分类Optics; Physics
DOI10.1103/PhysRevA.65.015802
通讯作者Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China ; CCAST, World Lab, Beijing 100080, Peoples R China ; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
文章类型Article
英文摘要The Poynting vector, energy density, and energy velocity of light pulses propagating in an anomalous dispersion medium with two closely spaced gain lines are calculated. The results show that a negative energy density in the medium propagates along the opposite direction of incidence with a velocity similar to the negative group velocity v. while Poynting vector is in the same direction of incidence. In other words, one might say that a positive energy density in the medium would propagate along the positive direction with a speed \v(g)\. We further point out that neither energy velocity nor group velocity is a good concept to describe the propagation process of light pulse inside the medium in the Wang, Kuzmich, and Dogaiu [Nature London) 406, 277 (2000)] experiment owing to the strong accumulation and dissipation effects.
类目[WOS]Optics ; Physics, Atomic, Molecular & Chemical
研究领域[WOS]Optics ; Physics
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语种英语
WOS记录号WOS:000173273800115
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被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240470
专题中国科学院高能物理研究所_理论物理室_期刊论文
作者单位中国科学院高能物理研究所
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GB/T 7714
Huang CG,Huang, CG,Zhang, YZ. Poynting vector, energy density, and energy velocity in an anomalous dispersion medium[J]. PHYSICAL REVIEW A,2002,65(1):15802.
APA 黄超光,Huang, CG,&Zhang, YZ.(2002).Poynting vector, energy density, and energy velocity in an anomalous dispersion medium.PHYSICAL REVIEW A,65(1),15802.
MLA 黄超光,et al."Poynting vector, energy density, and energy velocity in an anomalous dispersion medium".PHYSICAL REVIEW A 65.1(2002):15802.
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